DR. DAVID SAMUEL MARKENSON MD
NPI 1093781726
Pediatrics - Pediatric Emergency Medicine in Orlando, FL
About Dr. David Samuel Markenson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID SAMUEL MARKENSON MD (NPI 1093781726) is an individual pediatric emergency medicine provider in Orlando, Florida, licensed in Florida (ME138009) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fort Wayne, and is a graduate of Other (1994).
NPPES Registry Identity
Specialties & Licenses 5
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. David Samuel Markenson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show David Markenson reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orlando, FL 32803
- Reassigned Medicare billing, Florida enrollment
- 619 clinicians in this Medicare group
Naples, FL 34102
- Reassigned Medicare billing, Florida enrollment
- 161 clinicians in this Medicare group
Huntington, IN 46750
- Reassigned Medicare billing, Indiana enrollment
- 1,752 clinicians in this Medicare group
Poughkeepsie, NY 12601
- Reassigned Medicare billing, New York enrollment
- 201 clinicians in this Medicare group
Milwaukee, WI 53220
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ORLANDO, FL 32803
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is David Markenson's NPI number?
The NPI number for David Markenson is 1093781726. It was assigned to this individual provider in the NPPES registry on February 23, 2006.
Where is David Markenson located?
David Markenson practices at 601 E Rollins St, Orlando, FL 32803. The listed phone number is (403) 303-5437.
What is David Markenson's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is David Markenson enrolled in Medicare?
Yes. David Markenson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for David Markenson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Markenson reassigns Medicare benefits to 5 organizations: Florida Emergency Physicians Kang And Associates MD LLC (Orlando, FL), Southwest Florida Emergency Management LLC (Naples, FL), Parkview Health System,inc (Huntington, IN), Emergency Physician Services Of New York, P.C. (Poughkeepsie, NY) and Gundersen Lutheran Medical Center Inc (Milwaukee, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Markenson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Markenson accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, AmeriHealth Caritas Next and Anthem Blue Cross and Blue Shield and 4 other insurers list David Markenson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for David Markenson was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. David Samuel Markenson, MD · NPI 1093781726
Pediatric Emergency Medicine physician in Orlando, Florida. Individual provider, active in the CMS NPPES registry since February 23, 2006.
## Identity
- **NPI:** 1093781726 (Entity type: Individual)
- **Enumerated:** February 23, 2006
- **Primary specialty:** Pediatrics - Pediatric Emergency Medicine · taxonomy 2080P0204X
- **State license:** ME138009 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 E ROLLINS ST, Orlando, FL 32803-1248
- **Phone:** (403) 303-5437
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Florida Emergency Physicians Kang And Associates MD LLC (NPI 1811983752, Orlando, FL); Southwest Florida Emergency Management LLC (NPI 1780911206, Naples, FL); Parkview Health System,inc (NPI 1467779124, Huntington, IN); Emergency Physician Services Of New York, P.C. (NPI 1093759847, Poughkeepsie, NY); Gundersen Lutheran Medical Center Inc (NPI 1871222117, Milwaukee, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** March 2, 2026
- **Other identifiers:** Medicaid 01769488 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1093781726) · Data from the CMS NPPES public registry.